Finding the Fourth Proportional to 207,378.28, 310,569.12 and 118,361.92
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Solution
The fourth proportional to 207,378.28, 310,569.12 and 118,361.92 is: 177,258.47
Step by Step Solution
- Step 1: Write the proportion equation
207,378.28 : 310,569.12 = 118,361.92 : x - Step 2: Convert to fraction form
207,378.28/310,569.12 = 118,361.92/x - Step 3: Cross multiply
207,378.28x = 310,569.12 × 118,361.92 - Step 4: Simplify right side
207,378.28x = 36,759,557,335.91 - Step 5: Solve for x
x = 36,759,557,335.91/207,378.28 - Step 6: Final answer
x = 177,258.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.